8CTN
Structure of a K+ selective NaK mutant (NaK2K, Laue diffraction, no electric field)
Experimental procedure
Experimental method | LAUE |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 14-ID-B |
Synchrotron site | APS |
Beamline | 14-ID-B |
Temperature [K] | 289 |
Detector technology | CCD |
Collection date | 2020-03-21 |
Detector | RAYONIX MX340-HS |
Wavelength(s) | 1.02-1.15 |
Spacegroup name | I 4 |
Unit cell lengths | 68.816, 68.816, 90.365 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 21.420 - 2.010 |
R-factor | 0.1556 |
Rwork | 0.153 |
R-free | 0.19750 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Room temperature NaK2K monochromatic SSRL |
RMSD bond length | 0.007 |
RMSD bond angle | 0.858 |
Data reduction software | Precognition |
Phasing software | PHENIX |
Refinement software | PHENIX (1.19.2_4158) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 100.000 | 2.090 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.076 | |
Number of reflections | 10684 | 562 |
<I/σ(I)> | 42.5 | 7.67 |
Completeness [%] | 75.4 | 32.14 |
Redundancy | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 100mM KCl, 200mM potassium citrate tribasic monohydrate, 100mM MES (pH 6.0 or 6.5), 56%-68% 2-methyl-2,4-pentanediol (MPD) |